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BLU Dash 4.0 vs Lava X38

Compare recorded specifications, size and practical differences.

Lava X38

Lava X38

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Screen diagonal

    Dash 4.0: 1 in smaller diagonal

    Dash 4.0:
    4 in
    X38:
    5 in
  • Release year

    Dash 4.0:
    2012
    X38:
    2016

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

Front
Front — relative size Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps. Dash 4.0: height 124 mm; Width 63 mm. Dash 4.0: 124 × 63 mm 1
Side
Side — relative size Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps. Dash 4.0: height 124 mm; Depth 11.8 mm. Dash 4.0: 124 × 11.8 mm 1
  1. 1. Dash 4.0

    Height:
    124 mm
    Width:
    63 mm
    Depth:
    11.8 mm
    Weight:
    128 g
  2. 2. X38

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

Screen size
Relative rectangular screen sizes; numbers match the phone labels below Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes. Dash 4.0: screen diagonal 4 in; aspect ratio (height:width) 5:3; approximate rectangular area 45.5 cm². X38: screen diagonal 5 in; aspect ratio (height:width) 16:9; approximate rectangular area 68.9 cm². Dash 4.0: 4 in, 5:3, About 45.5 cm² rectangular area 1 X38: 5 in, 16:9, About 68.9 cm² rectangular area 2
  1. 1. Dash 4.0

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. X38

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²

X38 has approximately 51.3% more rectangular screen area than Dash 4.0.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for Dash 4.0, X38, compared at the same storage capacity.
StorageDash 4.0X38
8 GB Unknown 1 GB RAM
Dash 4.0: Original memory entry

4 GB · 512 MB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Dash 4.0

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. X38

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. Dash 4.0

    1500 mAh

  2. 2. X38

    4000 mAh

    +2500 mAh versus Dash 4.0

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. Dash 4.02. X38

Everyday essentials
Everyday essentials — specifications for Dash 4.0, X38.
SpecificationDash 4.0X38
Dimensions (HxWxD)
  • 124 Х 63 Х 11.8 mm
  • Х Х mm
Weight
  • 128 g
  • 0 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 5" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 6.0 (Marshmallow)
Chipset
  • Mediatek MT6572 (28 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Dash 4.0, X38.
SpecificationDash 4.0X38
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 68.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 58.3%
Unknown
PPI /points per inch/
  • 233 PPI
  • 294 PPI
Camera and Video
Camera and Video — specifications for Dash 4.0, X38.
SpecificationDash 4.0X38
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • 8 MP
Functions
  • LED flash
  • LED flash
Video
  • 720@30fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • VGA
  • 2 MP
Performance
Performance — specifications for Dash 4.0, X38.
SpecificationDash 4.0X38
Processor CPU
  • Dual-core 1.3 GHz Cortex-A7
  • Quad-core 1.0 GHz
Graphics processor GPU
  • Mali-400
Unknown
Antutu 7 score Legacy recorded score. Test conditions are unspecified; no new testing is implied.
  • 4056
Unknown
General specs
General specs — specifications for Dash 4.0, X38.
SpecificationDash 4.0X38
Release date
  • 2012
  • December
  • 2016
  • July
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
Unknown
Battery life
  • Stand by time- Up to 450 h (2G) / Up to 340 h (3G) Talking time- Up to 14 h (2G) / Up to 8 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Dash 4.0, X38.
SpecificationDash 4.0X38
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 5(850)
  • 40(2300)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
  • LTE
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Dash 4.0, X38.
SpecificationDash 4.0X38
Radio
  • Stereo FM radio
  • FM radio
Other features
Other features — specifications for Dash 4.0, X38.
SpecificationDash 4.0X38
Dop
  • Sensors Accelerometer
  • gyro
  • compass - D261 Single SIM D271 Dual SIM
  • Sensors Accelerometer
  • proximity - For India